Last November, a crew from the French film company 3D Entertainment trekked to the Sea of Cortez to film sharks for a new IMAX movie, “Sharks 3D,” to be released in 2005. But the team soon discovered what scientists have increasingly come to know: the region’s once prodigious shark populations have nose-dived in recent years. The filmmakers now plan to use their Sea of Cortez footage for a segment illustrating the fast-dwindling number of sharks worldwide. Shrinking shark populations aren’t the only sign that marine life has been taking a beating in the Sea of Cortez, also known as the Gulf of California. All along the Baja peninsula’s eastern shore and on the coast of Mexican mainland states fronting the Sea of Cortez... [Log in to read more]